There will be DOS Games in Shareware/Freeware Format...
Emulators for 36 Consoles
A Classic DOOM Megasite full of stuff to play around with
And my MODBOX for 6 games with rom hacks and mappacks.
This of course won't happen overnight, and a lot more preplanning will occur before it even starts getting filled...
Also
I threw together my personal favorites so you don't have to sift.